@article{NSJOM_1993_23_2a_32,
     author = {Cvetkovi\'c Ljiljana and Kreji\'c Nata\v{s}a},
     title = {Local and global 

 convergence of the unsymmetric {Sor} {\textendash} {Newton} method},
     journal = {Novi Sad Journal of Mathematics},
     pages = {381-391},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1993},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1993_23_2a_32/}
}